Researchers from Yale University and Harvard University have shown that they can use morpholinos to protect a microRNA target gene from suppression in order to evaluate specific miRNA-mRNA interactions in zebrafish.

“Thousands of miRNA-mRNA interactions have been predicted, but less than a dozen have been shown to have an in vivo function,” according to the researchers, whose study appeared in Science. “The sequence selectivity of … target protectors makes them excellent agents to disrupt specific miRNA-mRNA interactions.”

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Researchers have treated an X-linked genetic disease affecting three babies in utero, Stat News reports.

The Associated Press reports that the US Centers for Disease Control and Prevention is beefing up sequencing as a tool to investigate foodborne illnesses.

Researchers have sequenced samples from ancient toilets to study past eating habits and health, NPR reports.

In Nature this week: ash dieback disease fungal genome, and more.